The 408 area code is a telephone area code serving most of Santa Clara County and Northern Santa Cruz County, California. To start a free reverse phone lookup, simply enter the full 10-digit number (including the 408 area code) below and access available caller information such as name, address, and more.
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Area code 408 covers most of Santa Clara County and Northern Santa Cruz County in California.
Area code 408 is overlaid by area code 669. Area code 408 was created in 1959 from area code 415. Area code 669 was introduced in 2012. Ten-digit dialing is required for all calls in this region, and also requires the prefix digit *1* (1+10-digit dialing).
Area code 408 is a General Purpose Code which was placed in service on January 1, 1947.
Our reverse phone lookup will analyze the three-digit prefix of any 408 area code phone number and will show which telecommunications company and rate center it was initially assigned to. This prefix code data may help to determine the U.S. carrier, California geographic region, and local calling area associated with the phone number.
| Company | Number of Prefixes |
|---|---|
| PACIFIC BELL | 300 |
| NEW CINGULAR WIRELESS PCS, LLC | 65 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 54 |
| SPRINT SPECTRUM, L.P. | 37 |
| MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 23 |
| LEVEL 3 COMMUNICATIONS, LLC - CA | 22 |
| ONVOY, LLC - CA | 19 |
| T-MOBILE USA, INC. | 18 |
| FRONTIER CALIFORNIA INC. | 17 |
| TELEPORT COMMUNICATIONS AMERICA, LLC - CA | 16 |
| U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | 16 |
| XO CALIFORNIA, INC. | 14 |
| BANDWIDTH.COM CLEC, LLC - CA | 13 |
| LEVEL 3 TELECOM OF CALIFORNIA, LP - CA | 9 |
| MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 8 |
| COMCAST IP PHONE, LLC | 7 |
| GLOBAL CROSSING LOCAL SERVICES, INC. - CA | 6 |
| METROPCS, INC. | 5 |
| AT&T - LOCAL | 4 |
| USA MOBILITY WIRELESS, INC. | 4 |
| O1 COMMUNICATIONS, INC. - CA | 3 |
| PACIFIC BELL (COMPETITIVE) | 3 |
| PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 3 |
| 33 WIRELESS INC. | 2 |
| AMERICAN MESSAGING SERVICES, LLC | 2 |
| YMAX COMMUNICATIONS CORP. - CA | 2 |
| AT&T CORP. | 1 |
| CHARTER FIBERLINK CA-CCO, LLC - CA | 1 |
| GETGO COMMUNICATIONS LLC - CA | 1 |
| GLOBAL VALLEY NETWORKS | 1 |
| INTRADO COMMUNICATIONS, LLC | 1 |
| NORTH COUNTY COMMUNICATION CORPORATION - CA | 1 |
| Rate Center | Number of Prefixes |
|---|---|
| SNJS WEST | 267 |
| SNJS NORTH | 130 |
| SUNNYVALE | 90 |
| SNJS SOUTH | 75 |
| CAMPBELL | 43 |
| LOS GATOS | 22 |
| MORGANHILL | 16 |
| GILROY | 11 |
| SAN MARTIN | 10 |
| SARATOGA | 10 |
| SALINAS | 2 |
| HOLLISTER | 1 |
| SANANTONIO | 1 |
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